diff options
| author | Chuck Lever <chuck.lever@oracle.com> | 2024-02-04 18:17:47 -0500 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2024-03-01 09:12:30 -0500 |
| commit | e084ee673c77cade06ab4c2e36b5624c82608b8c (patch) | |
| tree | 8d33291d88020354c7c06bdd4abd95f0e7c8b56f /net/sunrpc/xprtrdma/svc_rdma_sendto.c | |
| parent | d2727cefff0204c3074a10e3ad2e1b5c9dfb986c (diff) | |
svcrdma: Add Write chunk WRs to the RPC's Send WR chain
Chain RDMA Writes that convey Write chunks onto the local Send
chain. This means all WRs for an RPC Reply are now posted with a
single ib_post_send() call, and there is a single Send completion
when all of these are done. That reduces both the per-transport
doorbell rate and completion rate.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'net/sunrpc/xprtrdma/svc_rdma_sendto.c')
| -rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_sendto.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c index bb5436b719e0..dfca39abd16c 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c +++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c @@ -142,6 +142,7 @@ svc_rdma_send_ctxt_alloc(struct svcxprt_rdma *rdma) ctxt->sc_send_wr.sg_list = ctxt->sc_sges; ctxt->sc_send_wr.send_flags = IB_SEND_SIGNALED; ctxt->sc_cqe.done = svc_rdma_wc_send; + INIT_LIST_HEAD(&ctxt->sc_write_info_list); ctxt->sc_xprt_buf = buffer; xdr_buf_init(&ctxt->sc_hdrbuf, ctxt->sc_xprt_buf, rdma->sc_max_req_size); @@ -227,6 +228,7 @@ static void svc_rdma_send_ctxt_release(struct svcxprt_rdma *rdma, struct ib_device *device = rdma->sc_cm_id->device; unsigned int i; + svc_rdma_write_chunk_release(rdma, ctxt); svc_rdma_reply_chunk_release(rdma, ctxt); if (ctxt->sc_page_count) @@ -1013,7 +1015,8 @@ int svc_rdma_sendto(struct svc_rqst *rqstp) if (!p) goto put_ctxt; - ret = svc_rdma_send_write_list(rdma, rctxt, &rqstp->rq_res); + ret = svc_rdma_prepare_write_list(rdma, &rctxt->rc_write_pcl, sctxt, + &rqstp->rq_res); if (ret < 0) goto put_ctxt; |